ATMEGA168P-20AU vs ATMEGA168PA-AU Comparison
Detailed side-by-side comparison of ATMEGA168P-20AU by Microchip Technology and ATMEGA168PA-AU by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATMEGA168P-20AU - 8-Bit AVR 16KB Flash MCU | Microchip
ATMEGA168P-20AU ✓ ActiveMicrochip Technology
ATMEGA168PA-AU - 8-bit AVR MCU 20MHz 16KB Flash TQFP-32 | Microchip
ATMEGA168PA-AU ✓ ActiveSpecification Comparison
| Parameter | ATMEGA168P-20AU | ATMEGA168PA-AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.91 | $0.98 |
| Core Processor | AVR 8-bit RISC | — |
| Program Memory Size | 16 KB (8K x 16) Flash | — |
| EEPROM Size | 512 B | — |
| SRAM Size | 1 KB | — |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Operating Voltage Range | 2.7 V to 5.5 V | — |
| Number of I/O Lines | 23 | 23 |
| General Purpose Registers | 32 | — |
| Instruction Set | 133 instructions, most single-cycle | — |
| ADC Resolution | 10-bit | 10-bit |
| Timer/Counters | 3 (two 8-bit, one 16-bit) with compare modes | — |
| Serial Interfaces | USART, SPI, TWI (I2C) | — |
| Package | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40 C to +85 C (industrial) | -40C to +85C |
| Programming Interface | ISP / ICSP (SPI-based) | — |
| RoHS Status | Compliant (GREEN) | Compliant |
| Supply Current (Active) | [DATA_NEEDED: active supply current] | — |
| Core Size | — | 8-bit |
| Core Architecture | — | AVR RISC |
| Flash Memory | — | 16 KB (8K x 16) |
| EEPROM | — | 512 B |
| SRAM | — | 1 KB |
| ADC Channels | — | 6 (8 in TQFP: ADC6/ADC7) |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| Timers/Counters | — | 2 x 8-bit, 1 x 16-bit |
| Communication Interfaces | — | USART, SPI, TWI (I2C) |
| Low Power Technology | — | picoPower |
| In-System Programming | — | Yes (ISP, read-while-write) |